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Winning blow: pawn to g5

c9-00408
Shuffle Rating 780Theme: Chess960 twist: use the unusual starting setup of the pieces.
White to move — find the best continuation

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The tactical motive

Chess960 twist: use the unusual starting setup of the pieces.

Winning tactic: there is a move that gains a decisive advantage — find it.

Difficulty 780 ShuffleRating — for beginners taking their first steps in Chess960 tactics.

White to move — find the best continuation

How to recognize this tactic

In Chess960 the pieces start on unfamiliar squares, so tactics appear earlier and from unusual angles. Do not trust classical patterns — read the actual lines of the bishops, the rooks and the queen from where they really stand in this position.

This position hides a concrete tactic that wins material or mates. Start with the most forcing candidate moves — checks, captures and threats — and calculate each to a clear end before choosing; the winning line is usually the one the opponent cannot meet.

General method: before you move, list the forcing candidates — every check, every capture, every direct threat — and calculate those first. The solution to a tactic is almost always among them.

Position on the board

White: king d1, queen g2, rook a1 h1, bishop f1 g1, knight e2 c3, pawn a2 b2 c2 g3 d4 h4.

Black: king e8, queen f5, rook a8 h8, bishop g5 e6, knight c6 d6, pawn d5 h5 a7 b7 c7 g7.

14 white and 14 black pieces are on the board; the puzzle position arises after move 14.

The position in numbers

Material is level — 37 points of pieces on each side (pawn = 1, knight and bishop = 3, rook = 5, queen = 9).

The white king stands on d1, the black king on e8.

It is White to move on move 14, with 27 legal replies to weigh — only the line that keeps the advantage solves the puzzle.

White keeps 6 pawns, Black 6. Files fully open (no pawns of either colour): e, f — natural highways for the rooks and queen.

The White king has 1 empty squares to step to right now — the fewer they are, the closer a mating net.

Solution & explanation

Main line

14. hxg5 Qxg5 15. Nf4 Bg4+ 16. Be2

Why it works

  • Great move! pawn to g5 keeps the pressure (+4.5).
  • knight to f4 develops smoothly.
  • A natural move: bishop to e2.
  • You reach a winning position (+4.4).
  • If instead Qxg5, then Nf4 and you stay on top.

Move by move

  • 14. hxg5 — pawn to g5 (capture)

Types in this puzzle

Winning blow

Find the strike that wins material by force.

A winning blow is a forced material gain that does not fit a single textbook motif. The general tactical recipe applies: spot loose pieces, an awkwardly placed king, overloaded lines. Go through the forcing moves in order of violence — checks, captures, threats — because most combinations start with one of them. Do not judge by feel: calculate the concrete line until the outcome is beyond doubt.

About this position

These pieces come from starting position #462.

SP-462 · ThroneGuard — King on a central file (d/e) with both knights on inner files — the classic-type setup.

The king starts on d1, the rooks on a1 and h1, the queen on e1.

Castling ends where it always does: king to g1 and rook to f1 on the short side, king to c1 and rook to d1 on the long one.

The bishops stand on f1 and g1; their long diagonals reach a6 and a7 once the e- and f-pawns step aside.

One second-rank pawn starts with no defender at all: b2.

The setup belongs to the ThroneGuard family; read right to left it becomes position 692.

The engine's main line opens with f4.

Morozov Balance Index: 91 of 100 — class A — most balanced. Engine evaluation of the starting position: +13 centipawns for White (depth 48, 400 000 000 nodes).

Explore position #462

Provenance

Mined from the project's engine self-play games.

Verified by Stockfish at depth 20+.

Solution forcedness confirmed (verified).

Pack 001 · SP-462

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